Mold



Dec. 26, 1939. E. L. LONG 2,184,959

Mom)

Filed Aug. '5, 1958 74. LU/V IN VEN OR.

A TTORNEYS.

Patented Dec. 26, 1939 UNITED smrss Z nnia 8 Claims.

This invention is a mold or press for shaping the small pads which are used in giving the hair of the head a permanent wave, and also for simultaneously dampening the pads tothe desired degree either with water or with a suitable chemical-as required. There. are threewidely used methods of permanently waving the hair. In one of these methods the pads used are simply absorbent pads with a light foil backing. In this method the hair is dampened With the desired chemical, and the pad is dipped in the same chemical before it-is clamped about each roll of hair.

As will bev understood by those familiar with the art, the clamps which hold the pads firmly around 7 each. roll of hair are electrically heated to increase the action of the chemical used, and to thus secure better results than would be possible without the use of heat. In this method it is not: necessary to .pre-shape the pads before application, since they are comparatively flexible.

My invention,.therefore, is mainly concerned with'the other two methods, bothof which require the use of comparatively thick and comparatively stiff or inflexible pads. In the second method the pads are pre-treated chemically which eliminates the necessity of dampening the hair with the chemical before clamping the pads inposition. It is, however, necessary that the pads used in this method be dipped in water, without which the chemical impregnated in the pad would be ineffective in treating the hair. It is also necessary that each pad be pre-shaped so as to. partially encompass each roll of hair so that when the clip is. applied the 'pad will contact all .parts: of the roll of hair. The clip alone is incapable of properly shaping the pad around the roll of hair. With this method, also, it is necessary that the clips be electrically heated to se'-' cure the necessary chemical action. In both the first andsecond methods the moistened pads come in direct contact with eachindividual roll of hair.

In thethird method, however, known as the =machineless waving'methochthe pads do not come in direct contact with the hair but are prevented from doing so by a thin sheet of material placed between the roll of hair and the surface of the pad. In this method the clips which hold the pads in place around each roll of hair are not electrically heated. The pad itself supplies the required heat, after it has been dampened, due to the chemical which it contains.

. This is the reason for preventing the pad from actually contacting the hair. In reality this particular type'pad is made in the form of a closed envelope, only one side wall of which is perforated to afford a means of dampening the chemical which the envelope contains. The reaction of thechemical when contactedby water creates an intense heat. This pad or envelope is made of comparatively thick and stifi foil to prevent the possibility of breakage, and the consequent spilling of the chemical on hair, clothing, or the like, An entirely dififerent chemical is applied to the hair before this pad is applied.

The pads mentioned in the latter two methods are at present being pre-shaped by hand, and since there are from 15 to 30 of these pads used in giving one permanent wave, and since it is very diflicult. to shape these heavy pads by hand, a considerable amount of the operators time is consumed in doing so. As a matter of fact, by the time the average operator has moistened, shaped and applied one half of the total number of pads required, the pads first applied are ready to be removed'and .the operator must stop and remove them before she can moisten, shape, and apply the remaining pads.

It is the chief object of my invention, therefore, to provide a device which will perfectly shape the individual pads used in permanent waving,

and which will also dampen the pads to the desired degree during the shaping process. My invention, under test, will actually reduce the time required in, giving the average permanent wave by 20. to minutes.

Other objects of the invention are: to provide a device of this class which carries its own water supply and, therefore, does not have to remain in a fixed position, but can be moved from place to place for use by various operators; which is so designed thatonly a light hand pressure I is suflicient to perform the shaping operation; which is otherwise simple and easy to operate; which may be easily disassembled for cleaning;

which requires very little care to maintain it in operating condition; which is both durable and dependableyand which may be cheaply manufactured and sold at a comparatvely low price. The details in the construction of a preferred form of the invention, together with other obwhich would not ordinarily be visible in this particular View, shown in dotted lines for purposes of clarity;

Figure 3 is a perspective view of the punch block and illustrates its mounting on the two guide posts carried by the matrix block;

Figure 4 is a perspective view of the slide bar which selectively controls the operation of the water pump; and,

Figure 5 is a vertical section taken through the notched portion of the operating rod, the

dotted lines indicating the slot in which said notched portion operates.

Referring to the details of construction, the numeral 6 designates a matrix block as a whole. It is substantially rectangular in plan and has a depending flared skirt 7 which serves as a base for supporting the entire device. The upper surface of this block normally lies in a horizontal plane and is fiat with the exception of a longitudinal depression 8 which extends throughout the length of the block. This depression 8 is substantially semicircular in cross section, as shown, and may be any desired size. A pair of spaced guide posts 9 and W are mounted in the top wall of the block 6, their lower ends being threaded to seat in threaded perforations in the top wall. These guide posts 9 and ill serve to slidably mount a punch block II, which is the same cross sectional size and shape as the top of the matrix block 6. Along its nether surface the block I l carries a longitudinally extending rib 3 which is slightly smaller in size than the depression 8 and which is adapted to seat therein. The posts fit in bored holes l2 and I3 in the block ll, (Fig. 2) and serve to maintain vertical alignment between the two blocks during the upward and downward ovement of the block I l. A portion of the block H is hollowed out to form a reservoir for liquid. This reservoir is designated by the numeral l4, and its cross sectional shape is indicated by the dotted line E5 in Figure 2. That portion of the block lying outside the dotted line I5 is substantially solid. One side wall of this reservoir is bored to receive an L-shaped pipe fitting 41, which serves as a means of filling the reservoir.

from the atmosphere. The block I I, is bored centrally at H, from its upper surface to a point near the center of the rib l6.

which extends longitudinally of the rib is between points just inside each end of the rib. This bore H3 in turn communicates with a plurality of radially extending ducts 19-, 20 and 2!, (dotted lines in Fig. 1) which afiord communication with the atmosphere. The upper end of the bore I1 is threaded to receive the lower threaded end of a punch block operating rod 22, which enters the bore only a short distance. A substantially V-shaped spring 23 had its apex positioned around the rod 22 and its two outer ends bent substantially in the form of hooks to seat in suitably spaced indentations located in the side wall of the punch block l l. The spacing of said indentations is such as to cause the intermediate portion of each leg of the spring 23 to bear against one of the guide rods. The contact of the spring against each guide rod serves as a brake to hold the punch block H in any selected position with. relation to the block 6.

The block l I carries a pump for pumping water from the reservoir l4 out through the bores i9, 20 and 2|, in the rib I6. This pump includes a plunger 24, which fits snugly in a bore 25 in the A plug 48 is provided for the outer end of the fitting ll to seal the reservoir At its lower end i this bore ll communicates with a cross bore 18 block II. The lower end of this bore .25 is reduced in diameter to form a tapered valve seat for seating a ball Valve 26. Below the seatgthis 1 I bore communicates directly with the reservoir [4 A coil spring 28 surrounds the der 29 near the upper end of the plunger. This spring normally maintains the plunger at the upper end of its stroke, so that it is only necessary to push the plunger to the lower end of its stroke, and the spring completesthe reciprocal cycle of movement. The extreme upper end of the plunger 24 is preferably bifurcated and carries a small roller 30 mounted on a pin 3!. roller will be hereinafter explained. I p

A substantially Z-shaped duct 32 affords communication between the bore 25, at a point just above the valve 26, and the bore IT, at a point just below the end of the rod 22. or upright portion ,of this duct 32 is reduced in The vertical The office of the diameter near its lower end to form a second valve seat, which seats a second ball valve 33. the two valves arranged as shown it will beeasily.

With 25 seen that .as the plunger rises the valve. 26 is unseated, and liquid passes from the reservoirl4 into the bore 25 of the pump; and that as the plunger travels downward the ball-valve .26 'is forced to seat and the ball valve 33 is unseated, permitting the liquid to pass from the bore 25 into the bore H, and out through the .ductsylB, 20

and 2|.

As a means of moving the punch block l I tor.

ward and away from the matrix block 6, I pro.- vide a lever bracket 34, the lower end of which is suitably secured, as'b'y welding, to one side of the block 6. A lever 35has one of its ends bifurcated to straddle the upper end of the bracket of a pin 36. Intermediate its ends this lever '35 is provided'with an elongated through perfora- '40 3t, and is pivotally connected thereto by means 1 tion 45 through which the upper end of the rod 22 is adapted to protrude. The uppersu'rface of the lever 35 is bored to threadedly receive a pair of large. headed screws 31 and .33, the shanks of which are threaded only at their lower ends. These screws 37 and 38, serve to guide and limit the slidable movement of a centrally slotted plate .39, a clear View of which is shown in Figure 4.

The longitudinally extending slots 40 and 4| limit the movement of the plate 39 ineach direction,

while the intermediate slot 42, the enlarged end 43 of which is of a slightly larger diameter than the diameter of the rod 22', serves to selectively determine whether or not the rod 22 (and the punch block H) are to travel with the lever 35 as it moves, or whether the lever 351s to move independent of the arm 22. To accomplish this selective co-operation of the rod 22 is peculiarly grooved on opposite sides as shown in- Figs. 1, 3. g

and 5, at a point near its upper'enoh- When the permits independent movement of the lever 35.

It will be noted that when the lever 35 is'ffree to operate independent of the rod 22, thatportionof the lever between-its pivoted end and-the perforation 45 is adapted to contact the roller 30 and to move the plunger 24 to the lower end of its stroke. However, when the lever 35 and the rod 22 are locked to move together, pressure on the outer end of the lever simply seats the rib H5 in the depression 8 without operating the pump plunger. Tofacilitate the sliding of the plate 39 I provide a thumb knob 46, suitably mounted on the outer end of the plate.

Operation From the above description and explanation of the invention it will be clear to those familiar with the art that I have provided a device which will easily shape and properly dampen permanent wave pads. The pad to be prepared for application is simply placed flat on the upper surface of the matrix block 6. The plate 39 is moved outward on the lever 35 to lock the lever to the rod 22. Hand pressure is then applied to the outer end of the lever which forces the rib [6 on the punch block I i intothe depression 8, the pad being thereby properly shaped. The plate 39 is a then moved to the opposite end of its throw, and the lever 35 is pressed further downward, pushing the pump plunger 24 to the lower end of its barrel, and forcing liquid out through the ducts It, 20 and 2|.onto the upper surface of the pad.

If more liquid is desired, the lever is raised and again depressed, thus operating the pump to force additional water onto the pad. The plate 39 is then again moved to the position shown in Figure 1 and the lever is raised. The raising of the lever moves the punch block ll away from the block 6, and the shaped and dampened pad is removed, ready for application to a roll of hair.

While I have described and illustrated a specific embodiment of my invention, I am aware that numerous alterations and changes may be made in the details of construction without departing from the inventive principle, and I do not wish to be limited except by the prior art and by the scope of the appended claims.

I claim:

1. A device of the class described comprising a matrix block, a co-operating punch block; means for moving one of said blocks into and out of contact with the other block; and means operated by said first mentioned means for delivering a liquid into the space between the two blocks while they are in contact.

2. A device of the class described comprising: a matrix block; a co-operating punch block; means for moving one of said blocks into and out of contact with the other block; means for maintaining the two blocks in alignment during relative movement; and means operated by said first mentioned means for forcing a liquid into the space between the two blocks while they are in closely adjacent relation.

3. A device of the class described comprising: a matrix block; a co-operating punch block; means for moving the punch block into and out of contact with the matrix block; means for guiding said movement to maintain the blocks in alignment; means co-operating with said last mentioned means for maintaining said punch block in. a selected position with relation to said matrix block; and means operated by said first mentioned means for forcing a liquid into the space between the two blocks.

i. A device of the class described comprising: a matrix block; a co-operating punch block mounted for aligned movement toward and away from said matrix block; a lever for moving one ofsaid blocks toward the other; and means also operable by said lever for delivering a fluid into the space between the two blocks. I

5. A device of the class described comprising: a matrix block; a oo-operating punch block, the two blocks being mounted for aligned relative movement; a lever for moving one of said blocks toward the other; a liquid reservoir; and a pump for delivering liquid from said reservoir to the space between the two blocks while they are in close proximity.

6. A device of the class described comprising: a matrix block; a co-operating punch block, the two blocks being associated for aligned relative movement; a lever for moving one of said blocks toward and away from the other; means for maintaining the blocks in a desired spaced relation; a liquid reservoir; and means operable by said lever for delivering liquid from the reservoir into the space between the two blocks while they are in close proximity.

7. A device of the class described comprising: a matrix block; a co-operating punch block, the two blocks being operatively associated for aligned relative movement; a lever for moving one of said blocks into and out of contact with the other one; a liquid reservoir formed in one of said blocks; and means operable by said lever for selectively delivering liquid from said reservoir to the space between the two blocks.

8. A device of the class described comprising: a matrix block; a co-operating punch block, the two blocks being operatively associated for aligned relative movement; a lever for moving one of said blocks into and out of contact with the other block; a liquidreservoir formed in one of said blocks; and a pump for forcing the delivery of fluid from said reservoir into the space between the adjacent surfaces of the. two blocks. 

